#559BEF#559BEF

#559BEF is a light, vivid cyan. Relative luminance 0.316; OKLCH L 68.2% C 0.144 H 254.2°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#559BEF
RGB	rgb(85, 155, 239)
HSL	hsl(213, 83%, 64%)
HSV	hsv(213, 64%, 94%)
CMYK	cmyk(64.4%, 35.1%, 0%, 6.3%)
CIE-LAB	lab(63.01, 3.75, -48.72)
CIE-LCH	lch(63.01, 48.87, 274.41°)
OKLab	oklab(68.16% -0.039 -0.1382)
OKLCH	oklch(68.16% 0.144 254.2)
XYZ	xyz(31.0420, 31.6029, 86.1087)
Luminance	0.3161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BEF #EFA955

analogous

#55E8EF #559BEF #5C55EF

triadic

#559BEF #EF559B #9BEF55

tetradic

#559BEF #EF55E8 #EFA955 #55EF5C

square

#559BEF #EF55E8 #EFA955 #55EF5C

split-complementary

#559BEF #EF5C55 #E8EF55

monochromatic

#115DB8 #1D7AEA #559BEF #8DBCF4 #C5DDFA

Accessibility & contrast

On white

2.87

#559BEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#559BEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BEF

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BEF	#FFFFFF	#000000	##000000
##559BEF	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A0F2

Deuteranopia (green-blind)

#6192ED

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559bef;
/* rgb */ color: rgb(85, 155, 239);
/* oklch */ color: oklch(68.2% 0.144 254.2);

Tailwind

colors: {
  custom: {
    50: '#93b8f4',
    500: '#559bef',
    950: '#000000',
  },
}

SCSS

$custom: #559bef;
$custom-light: #93b8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#559bef",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 239
  },
  "hsl": {
    "h": 212.727,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68162,
    "c": 0.14363,
    "h": 254.2
  },
  "luminance": 0.31606
}

Semantic roles & 50–950 ramp

primary

#559BEF

secondary

#EBD2B5

accent

#7D06DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559BEF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →